Air Master Heating and Air Conditioning

Air Master Heating and Air Conditioning provides residential and commercial heating and air conditioning service, including repair, maintenance and indoor air quality work, along with ductwork and ventilation. The company says it uses Bosch air conditioners and heaters and that its technicians are trained and certified. Customers can book appointments through the website.

The company serves Discovery Bay, Walnut Creek, Lafayette, Brentwood, Danville, Livermore and surrounding areas. Its office is on Commercial Circle in Concord. Financing and rebate programs are listed on the site. Office hours are weekdays during the day.